gcc/testsuite/gnat.dg/slice5.adb

   1 --  { dg-do compile }
   2 --  { dg-options "-gnatwr" }
   3
   4 procedure Slice5 is
   5
   6    type Item_Type is record
   7       I : Integer;
   8    end record;
   9
  10    type Index_Type is (A, B);
  11
  12    type table is array (integer range <>) of integer;
  13    subtype Small is Integer range 1 .. 10;
  14    T1 : constant Table (Small) := (Small => 0);
  15    T2 : constant Table (Small) := T1 (Small);  -- { dg-warning "redundant slice denotes whole array" }
  16
  17    Item_Array : constant array (Index_Type) of Item_Type
  18      := (A => (I => 10), B => (I => 22));
  19
  20    Item : Item_Type;
  21    for Item'Address use Item_Array(Index_Type)'Address;   -- { dg-warning "redundant slice denotes whole array" }
  22 begin
  23    null;
  24 end;